fix: Transform arrays inside an object

neet · Apr 24, 2021 · d22a145 · d22a145
1 parent d2695a0
commit d22a145
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Showing 2 changed files with 28 additions and 3 deletions.
diff --git a/src/serializers/serializer-impl.spec.ts b/src/serializers/serializer-impl.spec.ts
@@ -36,4 +36,29 @@ describe('transformKeys', () => {
       key: { keyKey: { keyKeyKey: 'value' } },
     });
   });
+
+  it('transforms a deep object inside an array', () => {
+    expect(transformKeys([{ key_one: 'value' }], camelCase)).toEqual([
+      {
+        keyOne: 'value',
+      },
+    ]);
+  });
+
+  it('transforms a array inside an object', () => {
+    expect(
+      transformKeys(
+        {
+          key_one: [
+            {
+              value_one: 'value',
+            },
+          ],
+        },
+        camelCase,
+      ),
+    ).toEqual({
+      keyOne: [{ valueOne: 'value' }],
+    });
+  });
 });
diff --git a/src/serializers/transform-keys.ts b/src/serializers/transform-keys.ts
@@ -15,7 +15,7 @@ const fromEntries = <T>(entries: [string, unknown][]) => {
 
 // prettier-ignore
 export const transformKeys = <T>(
-  data: Record<string, unknown>,
+  data: unknown,
   transform: (key: string) => string,
 ): T => {
   if (Array.isArray(data)) {
@@ -26,10 +26,10 @@ export const transformKeys = <T>(
     return fromEntries<T>(
       Object.entries(data).map(([key, value]) => [
         transform(key),
-        isObject(value) ? transformKeys(value, transform) : value,
+        transformKeys(value, transform),
       ]) as any,
     );
   }
 
-  return data;
+  return data as T;
 }